Determine the set of values for kkk such that x2+kx+k+1=0x^2 + kx + k + 1 = 0x2+kx+k+1=0 has no real roots.
−2<k<2-2 < k < 2−2<k<2
k<−2k < -2k<−2 or k>2k > 2k>2
k>0k > 0k>0
k<0k < 0k<0